Ask the Expert: “Do the (fastener) guidelines in Tables 1A and 1B apply to the underlayment”
Ask the Expert
We had several “Ask the Expert” questions regarding underlayment fastening recently. Below are 2 questions from an attorney and responses from TRI President and Technical Director Rick Olson.
QUESTION #1
“Do the guidelines in Tables 1A and 1B regarding “Attachment Type of Fasteners” that call for ¾ penetration… Read more